diff --git a/msglog.c b/msglog.c
index 8064060..3aba098 100644
--- a/msglog.c
+++ b/msglog.c
@@ -72,3 +72,43 @@ void fatal(const char* format, ...) {
   va_end (ap);
   info ("\n");
 }
+
+const char *print_flags_update (unsigned flags) {
+  static char *text = NULL;
+  const char *names[16] = {
+    "CREATED",
+    "DELETED",
+    "PHONE",
+    "CONTACT",
+    "PHOTO",
+    "BLOCKED",
+    "REAL_NAME",
+    "NAME",
+    "REQUESTED",
+    "WORKING",
+    "FLAGS",
+    "TITLE",
+    "ADMIN",
+    "MEMBERS",
+    "ACCESS_HASH",
+    "USERNAME"
+  };
+  if (text) {
+    g_free (text);
+    text = NULL;
+  }
+  for (int i = 0; i < 16; i ++) {
+    if (flags & 1) {
+      char *new;
+      if (text) {
+        new = g_strconcat (text, " ", names[i], NULL);
+        g_free (text);
+      } else {
+        new = g_strdup (names[i]);
+      }
+      text = new;
+    }
+    flags >>= 1;
+  }
+  return (const char*)text;
+}
diff --git a/msglog.h b/msglog.h
index 7e728b4..ef05872 100644
--- a/msglog.h
+++ b/msglog.h
@@ -24,4 +24,4 @@ void info(const char* format, ...);
 void warning(const char* format, ...);
 void failure(const char* format, ...);
 void fatal(const char* format, ...);
-
+const char *print_flags_update (unsigned update);
diff --git a/telegram-purple.c b/telegram-purple.c
index 9c57b3e..4304201 100644
--- a/telegram-purple.c
+++ b/telegram-purple.c
@@ -116,6 +116,7 @@ static void _update_buddy (struct tgl_state *TLS, tgl_peer_t *user, unsigned fla
 }
 
 static void update_user_handler (struct tgl_state *TLS, struct tgl_user *user, unsigned flags) {
+  debug ("update_user_handler() flags: %s", print_flags_update (flags));
   if (tgl_get_peer_id (TLS->our_id) == tgl_get_peer_id (user->id) && (flags & (TGL_UPDATE_NAME | TGL_UPDATE_CONTACT))) {
     // own user object, do not add that user to the buddy list but make the ID known to the name lookup and
     // set the print name as the name to be displayed in IM chats instead of the login name (the phone number)
@@ -172,7 +173,7 @@ static void update_user_status_handler (struct tgl_state *TLS, struct tgl_user *
 static void update_secret_chat_handler (struct tgl_state *TLS, struct tgl_secret_chat *U, unsigned flags) {
   PurpleBuddy *buddy = tgp_blist_buddy_find (TLS, U->id);
   connection_data *conn = TLS->ev_base;
-  debug ("update_secret_chat_handler: state=%d", U->state);
+  debug ("update_secret_chat_handler() flags: %s", print_flags_update (flags));
   
   if (flags & TGL_UPDATE_CREATED) {
     tgp_blist_peer_add_purple_name (TLS, U->id, U->print_name);
@@ -211,10 +212,11 @@ static void update_secret_chat_handler (struct tgl_state *TLS, struct tgl_secret
 }
 
 static void update_chat_handler (struct tgl_state *TLS, struct tgl_chat *chat, unsigned flags) {
+  debug ("update_chat_handler() flags: %s", print_flags_update(flags));
+  
   if (flags & TGL_UPDATE_CREATED) {
     tgp_blist_peer_add_purple_name (TLS, chat->id, chat->print_title);
   }
-  
   if (! (flags & TGL_UPDATE_CREATED)) {
     PurpleChat *ch = tgp_blist_chat_find (TLS, chat->id);